diff --git a/pyproject.toml b/pyproject.toml
index d191f88..75e9fca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,10 +29,19 @@ classifiers = [
 dependencies = [
   "aiohttp>=3.8.4",
   "aiofiles>=23.1.0",
+  "ctranslate2>=3.18.0",
+  "faster-whisper @ git+https://github.com/Wordcab/faster-whisper@master",
   "ffmpeg-python>=0.2.0",
+  "librosa>=0.9.0",
   "loguru>=0.6.0",
+  "numpy==1.23.1",
+  "onnxruntime>=1.15.0",
   "pydantic>=1.10.9",
   "python-dotenv>=1.0.0",
+  "tensorshare>=0.1.1",
+  "torch>=2.0.0",
+  "torchaudio>=2.0.1",
+  "wget>=3.2.0",
   "yt-dlp>=2023.3.4",
 ]
 
@@ -48,17 +57,6 @@ path = "src/wordcab_transcribe/__init__.py"
 allow-direct-references = true
 
 [project.optional-dependencies]
-inference = [
-  "ctranslate2>=3.18.0",
-  "faster-whisper @ git+https://github.com/Wordcab/faster-whisper@master",
-  "librosa>=0.9.0",
-  "numpy==1.23.1",
-  "onnxruntime>=1.15.0",
-  "tensorshare>=0.1.1",
-  "torch>=2.0.0",
-  "torchaudio>=2.0.1",
-  "wget>=3.2.0",
-]
 runtime = [
   "argon2-cffi>=21.3.0",
   "fastapi>=0.96.0",
@@ -68,7 +66,6 @@ runtime = [
   "svix>=0.85.1",
   "uvicorn>=0.21.1",
   "websockets>=11.0.3",
-  "wordcab_transcribe[inference]",
 ]
 quality = [
   "black>=22.10.0",
@@ -80,9 +77,8 @@ tests = [
   "pytest>=7.4",
   "pytest-asyncio>=0.21.1",
   "pytest-cov>=4.1",
-  "wordcab_transcribe[inference]",
 ]
-dev = ["wordcab_transcribe[quality,inference,runtime,tests]"]
+dev = ["wordcab_transcribe[quality,runtime,tests]"]
 
 [tool.hatch.envs.runtime]
 features = [
diff --git a/tests/test_models.py b/tests/test_models.py
index e1447b0..fe6bdad 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -20,6 +20,7 @@
 """Test the models for requests and responses."""
 
 import pytest
+from faster_whisper.transcribe import Word
 
 from wordcab_transcribe.models import (
     AudioRequest,
@@ -33,7 +34,6 @@
     ProcessTimes,
     Timestamps,
     Utterance,
-    Word,
     YouTubeResponse,
 )
 
@@ -59,20 +59,6 @@ def test_timestamps() -> None:
     assert Timestamps.hour_minute_second == "hms"
 
 
-def test_word() -> None:
-    """Test the Word model."""
-    word = Word(
-        word="test",
-        start=0.0,
-        end=1.0,
-        score=0.9,
-    )
-    assert word.word == "test"
-    assert word.start == 0.0
-    assert word.end == 1.0
-    assert word.score == 0.9
-
-
 def test_utterance() -> None:
     """Test the Utterance model."""
     utterance = Utterance(
@@ -85,25 +71,25 @@ def test_utterance() -> None:
                 word="This",
                 start=0.0,
                 end=1.0,
-                score=0.9,
+                probability=0.9,
             ),
             Word(
                 word="is",
                 start=1.0,
                 end=2.0,
-                score=0.75,
+                probability=0.75,
             ),
             Word(
                 word="a",
                 start=2.0,
                 end=3.0,
-                score=0.8,
+                probability=0.8,
             ),
             Word(
                 word="test.",
                 start=3.0,
                 end=4.0,
-                score=0.85,
+                probability=0.85,
             ),
         ],
     )
@@ -117,25 +103,25 @@ def test_utterance() -> None:
             word="This",
             start=0.0,
             end=1.0,
-            score=0.9,
+            probability=0.9,
         ),
         Word(
             word="is",
             start=1.0,
             end=2.0,
-            score=0.75,
+            probability=0.75,
         ),
         Word(
             word="a",
             start=2.0,
             end=3.0,
-            score=0.8,
+            probability=0.8,
         ),
         Word(
             word="test.",
             start=3.0,
             end=4.0,
-            score=0.85,
+            probability=0.85,
         ),
     ]
     assert isinstance(utterance.words[0], Word)